Proximity Sensor on Lumia Icon (929)

A few days ago I got the Nokia Lumia Icon from Verizon Wireless. Overall, the phone is great as far as Windows phone go. This is my work phone and I use an Android phone as my person cell phone.

I have discovered that during calls periodically that the proximity sensor gets stuck in detected on the Lumia. Basically, whether sensor is covered or not, the phone's display goes dark during calls. This does not happen on every call but it does on most.

I found a post on WPCentral that said to blow in to the 3.5 headphone jack and it would fix the issue for a while. Well I did it - heck no one has replied with a fix yet. So what did I have to loose. It worked. Now I want to see for how long.

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